package com.by4cloud.platformx.device.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.by4cloud.platformx.common.data.mybatis.BaseModel;
import com.by4cloud.platformx.common.security.service.PlatformxUser;
import com.by4cloud.platformx.common.security.util.SecurityUtils;
import com.by4cloud.platformx.device.entity.MaxSize;
import com.by4cloud.platformx.device.mapper.JcMaxSizeMapper;
import com.by4cloud.platformx.device.service.JcMaxSizeService;
import lombok.AllArgsConstructor;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.validation.constraints.Max;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;

/**
 * 最大号表
 *
 * @author kdq
 * @date 2025-03-25 16:24:34
 */
@Service
@AllArgsConstructor
@Transactional
public class JcMaxSizeServiceImpl extends ServiceImpl<JcMaxSizeMapper, MaxSize> implements JcMaxSizeService {
	private final JcMaxSizeMapper maxSizeMapper;
	@Override
	public String nextNo(String type) {
		synchronized (this) {
			SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
			String format = sdf.format(new Date());
			MaxSize maxSize = maxSizeMapper.selectOne(new QueryWrapper<MaxSize>().lambda().eq(MaxSize::getSign, type).eq(MaxSize::getType,0));
			if (maxSize == null) {
				return null;
			}else {
				MaxSize dayMax = maxSizeMapper.selectOne(new QueryWrapper<MaxSize>().lambda()
						.eq(MaxSize::getSign, type)
						.eq(MaxSize::getDay,format));
				Random random = new Random();
				int randomNumber = random.nextInt(99);
				if(dayMax == null){
					MaxSize maxSize1 = new MaxSize();
					maxSize1.setSign(type);
					maxSize1.setDay(format);
					maxSize1.setType(1);
					int current = 1;
					String n = padStart(current, maxSize.getLength());
					String pre = (maxSize.getUsePrefix() == 0 ? "" : maxSize.getPrefixName());
					String suf = (maxSize.getUseSuffix() == 0 ? "" : maxSize.getSuffixName());
					maxSize1.setCurrentNumber(current);
					save(maxSize1);
					String s = pre+format+suf+randomNumber+n;
					return s;
				}else {
					Integer currentNumber = dayMax.getCurrentNumber()==null?0:dayMax.getCurrentNumber();
					int current = currentNumber+1;
					String n = padStart(current, maxSize.getLength());
					String pre = (maxSize.getUsePrefix() == 0 ? "" : maxSize.getPrefixName());
					String suf = (maxSize.getUseSuffix() == 0 ? "" : maxSize.getSuffixName());
					dayMax.setCurrentNumber(current);
					updateById(dayMax);
					String s = pre+format+suf+randomNumber+n;
					return s;
				}
			}
		}
	}

	private String padStart(int num, int len) {
		String v = "000000000000000" + num;
		return v.substring(v.length() - len);
	}
}